Antislip device



F. W. SMITH;

ANTISLIP DEVICE.

APPUCATION man. 050. 4. ma.

1,315,745. Patented Segt. 9,1919.

I 8 15 l/ W II he Till]:

wuewto'n fRANK H. 6mm /vblmeooeo FRANK W; SMITH, 0F KALAMAZOO, MICHIGAN.

ANTISLIP nnvrcn.

Specification of Letters Patent.

Patented Sept. 9, 1919.

Application filed December 4, 1918. Serial No. 265,207.

To all whom it may concern:

Be it known that I, FRANKW. SMITH, a c1t1zen or the United States,resldmg at the city and county of 'Kalamazoo, .State of lMIichigan, haveinvented certain new and useful Improvements in Antislip Devices, ofwhich the following a specification.

This invention relates to improvements in anti-slip devices.

The main objects of this invention are:

First, to provide an improved anti-slip device which is well adapted foruse on trucks and which enables the tread members being readily appliedto or removed from a wheel without jackingup the wheel.

Second, to provide an improved anti-slip device which strong and durableand at the same time economical to produce and easily applied to thetelly of a wheel.

Further objects, and objects relating to structural details. willdefinitely appear from the detailed description to follow.

I accomplish the objects of my invention by the devices and meansdescribed inthe following specification. The invention clearly definedand pointed out in the claims.

A structure which is a preferred embodiment of my invention is clearlyillustrated in the accompanyingdrawing, forming a part of thisspecification, in which:

Figure I is a side view of a wheel equipped with my improved anti-slipdevices, a portion oi? them being indicated by dotted lines.

Fig. II is an enlarged detail transverse section on a line correspondingto line 2-2 of Figs. I, III and IV.

Fig. III is a detail view partially in sec tion on a line correspondingto line 3-3 of Fig. II.

Fig. IV is a detail view partially in section on a line corresponding toline lt of are preferably secured thereto by means of gage the guard bar13.

bolts 6, or where it is not convenient to arrange bolts through the rim,by screws disposed in the holes 7.

. The member 5 is provided with lugs 8 with which links 9 of the treadchain 10 may be engaged. These lugs are preferably quite short andsubstantially straight but of such size as to,permit the readyengagement and disengagement of other links of the tread chaintherewith.

Between the lugs is a post 11 having a pivot bolt 12 disposedtherethrough to en- The guard bar is retained on the pivot by means ofthe nut 14:.

For convenience in manipulation one end of the guard bar is turned up at15 and to retain it inv coacting relation to the lugs it is providedwith a keeper opening 16 adapted to receive one of the lugs as shown inFig. IV. The bar also has suflicient resiliency to permit its beingsprung over the lug to engage the keeper therewith and swinging over theother lug prevent either end of the tread chain being disengaged. hen,however, it is desired to remove the tread chain the guard bar may beswung from its closed position by striking it with a wrench, or

I may be disengaged by swinging by means of the hands or may be kickedto or from engaging position.

The rim members are designed to be left mounted upon the rim and arecompact and do not seriously disfigure or encumber the rim when thetread chains are removed. The chains may be quickly applied to orremoved from the wheel as occasion may re quire.

I have not attempted to illustrate or de scribe certain modifications oradaptationsto other types of rims and wheels as I believe the disclosuremade will enable those skilled in the art to which this inventionrelates to embody or adapt'the same as may be desired.

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent, is:

1. I11 a device of the class described, the combination of a tellymember provided with projecting lugs adapted to receive links of a treadchain and with a post disposed between said lugs, a guard bar pivot boltdisposed through said post, and a guard bar mountedon said pivot toswing over the ends of said lugs, said guard bar being proof a treadchain, a guard bar pivot disposed vided with a keeper coacting With oneof between said lugs, and a guard bar mounted 15 said lugs. on saidpivot to swing over the ends of said 2. In a device of the classdescribed, the lugs, said guard bar being provided with a 5 combinationof a felly member provided a keeper coacting With one of said lugs.

with projecting lugs adapted to receive links In Witness whereof, I havehereunto set of a tread chain and With apost disposed bemy hand and sealin the presence of two 20 tween said lugs, a iguard bar pivot bolt dis-Witnesses. posed through saic post, and a uard bar 10 mounted on saidpivot to coaot with both. SMITH 3. In a device of the class described,the WVitnesses: combination of a felly member provided LUELLA G.GREENFIELD, With projecting lugs adapted to receive links MARGARET L.GLASGOW.

Oqmiu of this patent may beobtained for five cents each, by addressingthe Commissioner of Patents,

Washington, D. G.

